管理学 数据字典 释 data dictionary 数据字典 对数据流程图中数据项、数据结构、数据流、处理逻辑、数据存储和外部实体进行定义和描述的工具。是系统设计阶段数据库设计的重要依据、信息系统分析阶段的重要工具。 理学 数据库运行管理 释 data dictionary 数据字典 有关数据库系统中各种数据的描述信息和控制信息的集合，而不是数据本身。又称描述数据库或元数据库。
数据库 数据库管理系统及其实现技术 释文 data dictionary, DD 数据字典
- construction steel
- construction supervision system
- construction supervision system of water conservancy project
- construction supply chain management
- construction survey
- construction survey for shaft sinking
- construction technological innovation and management
- construction technology of earthwork engineering in ancient China
- construction technology of port hydraulic buildings
- construction technology of stone works in ancient China
- construction theory of functions
- construction transportation
- construction unit
- construction ventilation
- construction waste residue
- construction wet lay nonwoven
- construction winches
- construction with ruler and compasses
- construction worker
- construction work zone
- constructive
- constructive analysis
- constructive arithmetic
- constructive calculus
- constructive cost model